Clinical blind trial of three drugs in the control of renal colic.
D002986:Clinical Trials as Topic; D003085:Colic / Q000188:drug therapy*; D006801:Humans; D007267:Injections; D007669:Kidney Calculi / Q000188:drug therapy*; D008614:Meperidine / Q000627:therapeutic use*; D009020:Morphine / Q000627:therapeutic use*; D009132:Muscles / Q000627:therapeutic use*; D014515:Ureteral Diseases / Q000188:drug therapy*
D009020:Morphine; D008614:Meperidine